- This card can be searched via "Terraforming", "Demise of the Land", "An Owl of Luck" and "Last Resort".
- Activate the 4th effect to draw a card, then play another "Ancient City - Rainbow Ruins" from your hand to draw another card.
- If your opponent is in a weak position, use the last effect to bring up a "Crystal Beast Ruby Carbuncle" to cause serious damage or even finish off your opponent.
- With the primary effect of this card, any of the seven "Earthbound Immortals" can be used in conjunction with your "Crystal Beasts", a "Crystal Beast" deck that eases the effect conditions of "Earthbound Immortal Wiraqocha Rasca".
- This card can be used with the effect of "Brionac, Dragon of the Ice Barrier" to create a loop. Return this card to your hand and activate it again to draw again, then repeat.